Help Error upgrading sim

[Yumeko_420]

Mga paps sino dito nakaexperience ng gantong error kapag nag do it yourself upgrading ng smart sim

Note: Sun sim meron ako, gusto ko iupgrade to LTE

 

[DarkResurrection]

maybe this will help, plano ko din mag upgrade to lte sim since lumang luma na tnt sim ko. pero mas better contact mo yung customer service ng smart.